Ceiling exhaust fan



FIG. 1 is a top plan view of a ceiling exhaust fan;

FIG. 2 is a front plan view thereof;

FIG. 3 is a first side plan view thereof;

FIG. 4 is a second side plan view thereof; and,

FIG. 5 is a rear plan view thereof.

The broken line showing of the concentric circular members is includedfor the purpose of illustrating environmental structure and forms nopart of the claimed design.

The ornamental design for a ceiling exhaust fan, as shown and described.